extern const int gJpegCr_r_tab[];
extern const int gJpegCb_b_tab[];
extern const int gJpegCr_g_tab[];
extern const int gJpegCb_g_tab[];
extern const unsigned char gJpegSample_range_limit[];

extern char *JpegCacheRAM;
extern int JpegCacheLen;
extern int JpegCacheUsed;
extern char *pJpegCacheRam;
